baber/WOPTO huggingface dataset:
Patent JP-S59215923-A (JP)
Title: Internal-combustion engine
Inventor: NAKAJIMA YUUJI
IPC: F02B75/40
Filed: 1983-05-20
Abstract: PURPOSE:To simplify the structure of an internal-combustion engine by supporting a plurality of cylinders onto a vertical shaft rotatably in horizontal direction and engaging the lower edge of each piston rod in slidable ways into the engagement grooves in the rotary shaft part arranged under the cylinder. CONSTITUTION:The upper surface a case 2 of an internal-combustion engine 1 is closed by a cover member 3, and the upper part of a vertical shaft 4 is fitted onto the center boss part 3a of the cover member 3, and a rotary supporting member 5 is supported rotatably onto the vertical shaft 4. A plurality of cylinders 6 are held vertically at an equal angular pitch on the same circumference of the rotary supporting member 5, and a piston 7 having a rod 8 suspended is fitted in free elevation into each cylinder 6. In the case 2, a rotary shaft 10 is inserted and supported by a bearing part 2a, and a flange part 11 and a cylindrical rotary body 12 are supported onto the rotary shaft 10, and engagement grooves 11a and 12a with which the lower edge part of the piston rod 8 is engaged in slidable ways through a roller 13 are formed on the outer periphery of the both parts 11 and 12.
Patent JP-S5516541-A (JP)
Title: Reverse-conducting gate turn-off thyristor circuit
Inventor: HIRATA TERUKUNI
IPC: H01L29/744
Filed: 1978-07-21
Abstract: PURPOSE: To lower the price and to increase a turn-off gain by connecting a diode between the gate and cathode of a gate turnoff thyristor with the P-type emitter region at the anode side made into short-emitter structure.  
     CONSTITUTION: On the top surface of N-type base region 21, P-type base region 22 is formed and on part of its surface, N-type emitter region 23 is formed; on the reverse surface of N-type base region 21, short emitter region 26 is formed which consists of alternate P-type emitter regions 24 and N-type regions 25. On surfaces of P-type base region 22, N-type emitter region 23 and short emitter region 26, gate electrode 27, cathode 28 and anode 29 are formed and between gate electrode 27 and cathode electrode 28, diode 31 is connected. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H05288049-A (JP)
Title: Piston cooling device for internal combustion engine
Inventor: MATOBA MASASHI
IPC: F01P3/10
Filed: 1992-04-09
Abstract: PURPOSE:To reduce the weight of a piston and eliminate dispersion of cooling effect in respective positions of a piston crown face part. CONSTITUTION:A piston crown face part 13 is provided with an oil flow passage which is formed from an oil inflow port 16 provided on the circumferential edge toward an oil outflow port 17 provided in the center and formed into a spiral passage 18 partitioned so as to be in communication state in the radial direction of piston. The sectional area of the oil flow passage is formed nearly constant, and the sectional form of the flow passage is formed into long form in the axial direction of piston on the circumferential edge of the piston crown face part 13, and following to go the center of the piston crown face part 13 gradually changed into long form in the radial direction of piston. This piston cooling device is constituted so that cooling oil is jetted upward from an oil jet pipe 20 toward the oil inflow port 16 so as to supply the cooling oil in the oil flow passage, and drained from the oil outflow port 17.
Patent JP-S59215074-A (JP)
Title: Rotary magnetic sheet guiding system
Inventor: NAGASHIMA YASUO
IPC: G11B17/32
Filed: 1983-05-23
Abstract: PURPOSE:To attain excellent and stable head contact in case of recording/ reproduction by providing a regulating plate so as to be contacted at the rear face of a magnetic recording medium and setting the regulated level so as to be projected toward the magnetic head more than unregulated level of a recording face. CONSTITUTION:The relative level of a regulated plate 32 to a magnetic sheet 14 is set in the level of a recording face 22 of the magnetic sheet 14 so that the level of the recording face 22 of a part having the regulated plate 32 is positioned lower in comparison with the level of the recording face 22 of a part not controlled by the regulated plate 32. A magnetic head 30 is projected to a part on which recording or reproduction is attained on the magnetic sheet 14, the pressing force of the head 14 deforms partially the sheet 14 toward the inside of the recessed part 36 and the sheet 14 rotated in the direction of the arrow B is slid with a guide face 38. The effect of curl or the like to a recording signal is eliminated by projecting the regulated level 62 of the magnetic sheet 14 toward the head 30 more than the unregulated level 60.
Patent JP-H05330342-A (JP)
Title: Steel pipe for automobile door reinforcement material
Inventor: MIZUMURA MASAAKI
IPC: B60J5/04
Filed: 1992-04-09
Abstract: PURPOSE:To propose a steel pipe for an automobile door reinforcement material with high bending absorbing energy irrespective of loading position of a load, etc., and secure the safety of occupants in the vehicle in a collision accident from the side of the automobile. CONSTITUTION:A steel pipe for an automobile door reinforcement material is so constructed that flat cross-sectional section parts 1 and circular cross-sectional parts 2 are arranged alternately in longitudinal direction. Because the steel pipe for the automobile door reinforcement material is not deformed concentratedly at one point of it irrespective of position of a load point and a width of obstacle to be loaded, its final bending absorbing energy is increased.
Patent JP-H05291176-A (JP)
Title: Manufacture of mis transistor
Inventor: HOSOYA TETSUO
IPC: H01L29/49
Filed: 1992-04-10
Abstract: PURPOSE:To inhibit generation of side etching at the time of dry etching, which is generated in a polycide film of conventional structure, and to form the polycide film with high throughput without inflicting damage on an element. CONSTITUTION:An amorphous silicon film 4 is formed on a gate insulating film 3 and after a spontaneous oxide film 5 on the amorphous silicon film is removed, a silicide film 6 is formed on the amorphous silicon film, whereby a gate electrode structure is formed.
Patent JP-H07298602-A (JP)
Title: Power element driving circuit
Inventor: MASUI KENJI
IPC: H02M7/537
Filed: 1994-04-27
Abstract: PURPOSE:To shorten the starting time of a gate voltage while providing a protective function. CONSTITUTION:The power element driving circuit comprises a power element (IGBT) 6, a driving circuit connected to a gate of the element 6 to drive the element, a gate voltage control circuit 2 for controlling the driving circuit, an error detector 9 connected to a collector of the element 6 to detect an error state according to a collector voltage, and an error detecting time gate voltage control circuit 16 for gradually lowering the gate voltage of the element 6 in response to the signal of the detector 9. Further, the driving circuit comprises a protective operation holding circuit 30 for holding a gate voltage lowering step even if a signal of a gate voltage OFF is input at the time of lowering step of the gate voltage upon detecting of the error.
Patent JP-S60234775-A (JP)
Title: Electron beam welding device
Inventor: MORIYASU MASAHARU
IPC: B23K15/00
Filed: 1984-05-07
Abstract: PURPOSE:To detect a shift quantity with high accuracy by determining the coefft. of the relational equation between the actual positional shift quantity between an electron beam and joint and the detected deviation signal value. CONSTITUTION:The deviation signal value i1 when a work piece 4 is set to an NC table 50 is detected and is stored in a system control device 65. The shift direction of the joint from the positive and negative values of i1 is discriminated and a table 50 in driven by the specified quantity DELTA in the direction for correcting the shift to move the work piece 4. The work piece is further moved and thereafter the deviation signal value i2 is detected and is stored on the device 65. The relational equation between the actual shift quantity DELTAX and the instantaneous current (deviation signal value) (i) flowing in a deflecting coil is automatically determined from the extent DELTA of the movement of the work piece 4 and the deviation signal values i1, i2 before and after the movement. The shift quantity is thus exactly determined from the deviation signal by the equation in the devide 65. The follow-up of the weld line by teaching playback, the online detection of the weld line and the automatic follow-up of the weld line are executed with good accuracy by using the data on the calculated shift quantity.
Patent JP-H06281522-A (JP)
Title: Deterioration discrimination device of combustion pressure sensor
Inventor: OKUMA SHIGEO
IPC: G01L9/08
Filed: 1993-03-24
Abstract: PURPOSE:To detect a deterioration coefficient of a combustion pressure sensor and discriminate abnormality of the combustion sensor on the basis of the deterioration coefficient. CONSTITUTION:Reference pressure PS is calculated from an engine speed N at the time when an engine body is idled in steps 11-14, a ratio of detection pressure P transmitted from a combustion sensor to the reference pressure PS is computed in a step 15 and a deterioration coefficient alpha is calculated. And discrimination processing is performed on the basis of the deterioration coefficient alpha in another step 16 for the purpose of surely discriminating abnormality of the combustion sensor.
Patent JP-H04304140-A (JP)
Title: Device for removing oil by centrifugal force of part for spindle motor
Inventor: YAMAZAKI KENICHI
IPC: H02K5/10
Filed: 1991-03-29
Abstract: PURPOSE:To prevent cutting oil from adhering to a disk by removing the residual cutting oil in a rotor head part by the use of centrifugal force. CONSTITUTION:When a rotary frame 38 is rotated by a motor 31, a centrifugal force acts on a rotor 15, and it tends to fly out from a rotor supporting hole 40, but the flying out is impeded by a disk receiving part 152. However, cutting oil left in an internal thread hole 19 flies out by the centrifugal force received by the internal wall of an upper part frame 35 and drained outside from a drain hole 36.
Patent JP-H08286132-A (JP)
Title: Optical scanner
Inventor: INOUE NOZOMI
IPC: G02B26/10
Filed: 1995-04-14
Abstract: PURPOSE: To obtain such a clock signal as picture elements are uniformly aligned on a scanned plane with a light beam deflected with a constant angular velocity or a specified angular velocity characteristic by dividing a reference clock and using it as a picture element clock. CONSTITUTION: A time interval between adjacent picture elements is constituted of a first time interval of an integer multiple of the reference clock pulse separation and a second time interval of another integer multiple of the reference clock pulse separation different from the first one. Divided frequency ratio value of each picture element interval to the reference clock pulse interval is written beforehand in a picture element correction data memory 130, and is loaded into a frequency divider 131 at everytime one picture element is transmitted, and a picture element clock is generated by a line buffer 111 every time the reference clock generated by a reference clock pulse oscillator is divided.  Although interval errors between individual adjacent picture elements are large, the errors come lower than a certain value in the case that an interval is evaluated at every several picture elements or more by properly locating the divided ratio deciding each picture element interval in the scanning direction.
Patent JP-H03288766-A (JP)
Title: Paper transport device
Inventor: NATORI TOSHIYUKI
IPC: B65H43/00
Filed: 1990-04-04
Abstract: PURPOSE:To easily carry out specification change and function change by controlling the paper driving-out operation and transport operation based on the input data stored in a storage region by a control means. CONSTITUTION:When a control part 2 receives signals from a start switch 14, the control part 2 reads the address and the data inputted through the operation of a key part 11, and the data is written into the address of a SRAM 3. The SRAM 3 is divided into a hysteresis information storage region of a paper transport device and a data storage region for accommodating the data written from an operation panel 1, and the control program code for the paper transport device and the data which are supplied from the panel 1 are written into the data storage region. Accordingly, on the basis of the control program code written into the SRAM 3 and the data, the paper driving-out operation and the paper transport operation by the paper transport device are controlled by the control part 2.
Patent JP-H03287298-A (JP)
Title: Font data control system
Inventor: TAKAHASHI HISAE
IPC: G06T11/20
Filed: 1990-04-03
Abstract: PURPOSE:To reduce the capacity of a frame memory and the use capacity of a disk for a font file by holding two-dimensional coordinates in the font file in addition to basic elements of width, height, and depth as respective character attributes and controlling character patterns as two-dimensional continuous bit images on the frame memory. CONSTITUTION:A font information part 3 is stored with the width of bit patterns, the height of the bit patterns, the number of registered characters, etc., as character output information. Then the size required to develop a bit pattern on the frame memory 8 from the font information part 3 of the font file 7 is taken out and the bit pattern of a bit pattern part 1 is developed on the frame memory 8. The two-dimensional X and Y coordinates of a character and the width and height of the character pattern are taken out of a character attribute part 2 and outputted by rectangle transfer from the frame memory where the bit pattern is developed. Consequently, the memory use capacity and the use capacity of the disk for font file storage are reduced.
Patent JP-H06301450-A (JP)
Title: Air-cooled electronic equipment
Inventor: KONDO YOSHIHIRO
IPC: G06F1/20
Filed: 1993-04-16
Abstract: PURPOSE:To perform efficient cooling and further to make the temperature distribution of a chip uniform and to obtain a reliability improving method, a method for reducing fan power, reduction of the noise of the whole housing, and diverse development of design. CONSTITUTION:Flow passages of >=2 systems are formed in the housing of a high- performance arithmetic machine 1 to provide cooling fans 7 between heat generation bodies in the respective flow passages, provide a flow passage exit below, arrange the cooling fans 7 separately from each other, provide a cooling fan in a corner of a bent flow passage, arrange the cooling fans 7 separately in the horizontal direction, constitute the whole housing in double structure, form the CPU package of a core in a duct shape, or provide a resin molding at the center part of a front panel. Thus, >=2 flow passages are provided and the cooling fans 7 are provided between the heat generation bodies in the respective flow passages to actualize maintenance similar to conventional maintenance, and to make the temp. distribution of each package and each heat generation body uniform, cooling performance improvement, reliability improvement, reduction of fan power, and reduction of the noise of the whole housing are obtained, and inexpensive and diverse design development can be performed.
Patent JP-S5714194-A (JP)
Title: Ball selector for tube cleaning equipment
Inventor: KANEKO TOSHIHIKO
IPC: F28G1/12
Filed: 1980-06-30
Abstract: PURPOSE: To fully automatize the selection of worn out sponge balls, by automatically selecting the worn out balls in the path of tube, using a selector of conical coil type.  
     CONSTITUTION: The automatic selector 21 consisting of a conical coil 22 is provided in the path of tube 23, and worn out sponge balls are automatically selected in the path of tube 23 using the automatic selector 21. By this apparatus, full automation of selecting balls can be attained. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01259917-A (JP)
Title: Heat treatment method for synthetic resin molded product
Inventor: NISHIKAWA KAZUO
IPC: B29C39/22
Filed: 1988-04-12
Abstract: PURPOSE:To enhance the adhesive properties of coating by heat treating a molded product in the amine atmosphere after releasing when an inner releasing agent is added to a reactive mixture and a synthetic resin molded product is manufactured. CONSTITUTION:As for an inner section releasing agent, a substance containing a metallic soap such as zinc stearate or the like, and as for an amine compound to be used for heat treatment, a substance to be able to react with an isocyanate active group can be used. A molded product 2 to be heat treated is set in a heat treatment chamber 6 in a heat treatment device 5, and heated air is sent to the heat treatment chamber 6. The amine compound is fed from an amine compound feeding device 10, and the heat treatment of the molded product is carried out in the amine atmosphere. Accordingly, the isocyanate active group remaining unreactive in the molded product is reacted with the amine compound, and as the inner releasing agent is separated from amine and the separation onto the molded product surface is prevented, the heat treatment time is shortened and the heat treatment temperature is lowered without damaging the adhesive properties of coating.
Patent JP-S61246671-A (JP)
Title: Dc leakage current measuring apparatus for power cable
Inventor: EBINUMA YASUMITSU
IPC: G01R31/02
Filed: 1985-04-24
Abstract: PURPOSE:To enable the measurement of true DC leakage current, by subtracting the detection current value of a current sensor on the far end side of a cable from the detection current value of a current sensor on the measuring end side thereof. CONSTITUTION:A voltage is caused with respect to a corona discharge current and a surface current respectively at both ends of each impedance element 31 at sensors 30-1 and 30-2 to be converted to digital light signals and then, applied to optical fiber cables 60-1 and 60-2. The light signals transmitted through the cables 60-1 and 60-2 are applied to a subtractor 80 after being converted into analog electrical signals with monitor sections 70-1 and 70-2 to execute a commutation of subtracting the output signal value of the monitor section 70-2 from the output signal value of the monitor section 70-1. A signal indicating the true DC leakage current i0 is outputted from the subtractor 80.
Patent JP-H09243800-A (JP)
Title: Electron source
Inventor: HAYASHI KEIZO
IPC: G21K1/00
Filed: 1996-03-06
Abstract: PROBLEM TO BE SOLVED: To provide an electron source in which the electron beam emitting quantity is uniformed over the electron beam emitting width, and the drawing efficiency of electron as the whole body of a linear filament is enhanced, so that the life of the linear filament can be extended. SOLUTION: A plurality of linear filaments 2 for generating thermoelectrons arranged with a fixed space in y-direction on x-y plane, or in the emitting width direction of electron beam, and bar-like electron drawing electrodes 21 are arranged in parallel to the linear filaments 2 between the arrangements of the linear filaments 2 arranged in a plurality of lines. A positive potential is applied to the electron drawing electrodes 21 against the negative potential applied to the linear filament potential to uniform the field intensity in all directions of the linear filaments 2, and the emitting width directional emitting distribution of electron beam is uniformed.
Patent JP-H05255655-A (JP)
Title: Uv absorber
IPC: C08F246/00
Filed: 1992-03-12
Abstract: PURPOSE:To provide the new chalcone derivative useful as an UV absorber because of effectively absorbing the light in a long wavelength UV raw region, and giving UV absorbing copolymer type resin by its copolymerization with other vinylic monomers. CONSTITUTION:A compound of formula I [R1, R2 are hydroxyl, 1-10C alkoxy; R3 is 1-20C linear divalent hydrocarbon; (n), (m) are 0-3], e.g. 3,4,5- trimethoxy-4'-(3-vinyloxycarbonylpropoxy)chalcone. The compound is obtained e.g. by condensing a benzaldehyde derivative of formula II with an acetophenone derivative of formula III in the presence of an acid or-base catalyst at 20-50 deg.C and subsequently reacting the produced compound of formula IV with a halide of formula V (X is Br, Cl, etc.) in the presence of a base catalyst in a solvent such as dimethylsulfoxide at room temperature to 200 deg.C for 30min to 20hr.
Patent JP-H01262495-A (JP)
Title: Snowfall time point detecting device
Inventor: TAKAHASHI TAKEO
IPC: G01W1/14
Filed: 1988-04-12
Abstract: PURPOSE:To eliminate malfunction and to accurately detect snowfall by pairing a watertight can which contains an infrared detector and a snow sampling dish coated with pigments and rotating the snow sampling disk by a necessary angle around a rotary shaft. CONSTITUTION:The watertight can contain the diffuse reflection type infrared detector. The snow sampling disk 4 which is a flat plate is held horizontally through the bar ink mechanism 19 of a synchronous motor 18 which is actuated by a timer 17 and fallen down by gravitation around the rotary shaft 3 after the timer 17 turns off. The watertight can and snow sampling dish 4 are mounted in a pair after being adjusted mutually so that an infrared rays are projected on the center part of the snow sampling dish 4. Then a 'Teflon(R)'- coated sheet 5 is stuck on the top surface of the snow sampling dish 4 so that the color is identified relatively with ease. Consequently, an electric circuit is simple, malfunction is less, the maintenance cost is slight, so that the snowfall is detected with good durability.
Patent JP-H02267593-A (JP)
Title: Enlargement display method for trend graph
Inventor: SAITO HIROSHI
IPC: G09G5/36
Filed: 1989-04-10
Abstract: PURPOSE:To display all trend data even at the time of enlarging a trend graph by dividing a trend graph screen into the upper reduction display part, an enlargement display part and the lower reduction display part. CONSTITUTION:All trend graphs which are enlarged are brought to picture drawing on a virtual screen 8 to be used as an enlargement display part. Subsequently, from a ratio to all display parts of an enlargement display part 3 and an enlargement rate, a reduction rate of a reduction display screen is calculated. Next, the trend graph reduced to this reduction rate is brought to picture drawing on the virtual screen 7 used as the upper reduction display and the virtual screen 9 used as the lower reduction display. Thereafter, by operating a scroll key 5, a display position designation (window designation) in the virtual screen of the enlargement display part 3 is varied, and data displayed on a real screen is changed. In this case, by changing simultaneously the display position designation on a real screen of the enlargement display part 3, a view board 11 of the enlargement display part is also moved. In such a way, enlargement display data displayed on the enlargement display part 3 can be set to desired data.